Home / 801,327.70-1,201,987.02-202,286.40

Finding the Fourth Proportional to 801,327.70, 1,201,987.02 and 202,286.40

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Solution

The fourth proportional to 801,327.70, 1,201,987.02 and 202,286.40 is: 303,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,327.70 : 1,201,987.02 = 202,286.40 : x
  2. Step 2: Convert to fraction form
    801,327.70/1,201,987.02 = 202,286.40/x
  3. Step 3: Cross multiply
    801,327.70x = 1,201,987.02 × 202,286.40
  4. Step 4: Simplify right side
    801,327.70x = 243,145,627,122.53
  5. Step 5: Solve for x
    x = 243,145,627,122.53/801,327.70
  6. Step 6: Final answer
    x = 303,428.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.